Bump Ktor to 3.0.3 for Kotlin client. (#20410)

Author: divinae

modules/openapi-generator/src/main/resources/kotlin-client/libraries/multiplatform/build.gradle.kts.mustache

@@ -11,7 +11,7 @@ version = "{{artifactVersion}}"
 val kotlin_version = "2.0.21"
 val coroutines_version = "1.9.0"
 val serialization_version = "1.7.3"
-val ktor_version = "3.0.2"
+val ktor_version = "3.0.3"
 
 repositories {
     mavenCentral()

samples/client/petstore/kotlin-array-simple-string-multiplatform/build.gradle.kts

@@ -11,7 +11,7 @@ version = "1.0.0"
 val kotlin_version = "2.0.21"
 val coroutines_version = "1.9.0"
 val serialization_version = "1.7.3"
-val ktor_version = "3.0.2"
+val ktor_version = "3.0.3"
 
 repositories {
     mavenCentral()

samples/client/petstore/kotlin-bigdecimal-default-multiplatform/build.gradle.kts

@@ -11,7 +11,7 @@ version = "1.0.0"
 val kotlin_version = "2.0.21"
 val coroutines_version = "1.9.0"
 val serialization_version = "1.7.3"
-val ktor_version = "3.0.2"
+val ktor_version = "3.0.3"
 
 repositories {
     mavenCentral()

samples/client/petstore/kotlin-default-values-multiplatform/build.gradle.kts

@@ -11,7 +11,7 @@ version = "1.0.0"
 val kotlin_version = "2.0.21"
 val coroutines_version = "1.9.0"
 val serialization_version = "1.7.3"
-val ktor_version = "3.0.2"
+val ktor_version = "3.0.3"
 
 repositories {
     mavenCentral()

samples/client/petstore/kotlin-multiplatform-kotlinx-datetime/build.gradle.kts

@@ -11,7 +11,7 @@ version = "1.0.0"
 val kotlin_version = "2.0.21"
 val coroutines_version = "1.9.0"
 val serialization_version = "1.7.3"
-val ktor_version = "3.0.2"
+val ktor_version = "3.0.3"
 
 repositories {
     mavenCentral()

samples/client/petstore/kotlin-multiplatform/build.gradle.kts

@@ -11,7 +11,7 @@ version = "1.0.0"
 val kotlin_version = "2.0.21"
 val coroutines_version = "1.9.0"
 val serialization_version = "1.7.3"
-val ktor_version = "3.0.2"
+val ktor_version = "3.0.3"
 
 repositories {
     mavenCentral()